Total
3337 CVE
| CVE | Vendors | Products | Updated | CVSS v2 | CVSS v3 |
|---|---|---|---|---|---|
| CVE-2025-4086 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 6.5 MEDIUM |
| A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog. *This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138 and Thunderbird 138. | |||||
| CVE-2025-4085 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 7.1 HIGH |
| An attacker with control over a content process could potentially leverage the privileged UITour actor to leak sensitive information or escalate privileges. This vulnerability was fixed in Firefox 138 and Thunderbird 138. | |||||
| CVE-2025-4084 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 5.7 MEDIUM |
| Due to insufficient escaping of the special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox ESR 128.10, Firefox ESR 115.23, and Thunderbird 128.10. | |||||
| CVE-2025-4083 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 9.1 CRITICAL |
| A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10. | |||||
| CVE-2025-4082 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 5.9 MEDIUM |
| Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained with other vulnerabilities, could be used to escalate privileges. *This bug only affects Thunderbird for macOS. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10. | |||||
| CVE-2025-49710 | 1 Mozilla | 1 Firefox | 2026-06-17 | N/A | 9.8 CRITICAL |
| An integer overflow was present in `OrderedHashTable` used by the JavaScript engine. This vulnerability was fixed in Firefox 139.0.4. | |||||
| CVE-2025-49709 | 1 Mozilla | 1 Firefox | 2026-06-17 | N/A | 9.8 CRITICAL |
| Certain canvas operations could have lead to memory corruption. This vulnerability was fixed in Firefox 139.0.4. | |||||
| CVE-2025-3608 | 1 Mozilla | 1 Firefox | 2026-06-17 | N/A | 6.5 MEDIUM |
| A race condition existed in nsHttpTransaction that could have been exploited to cause memory corruption, potentially leading to an exploitable condition. This vulnerability was fixed in Firefox 137.0.2. | |||||
| CVE-2025-3035 | 1 Mozilla | 1 Firefox | 2026-06-17 | N/A | 5.3 MEDIUM |
| By first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab would leak into the chat prompt. This vulnerability was fixed in Firefox 137. | |||||
| CVE-2025-3034 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 8.1 HIGH |
| Memory safety bugs present in Firefox 136 and Thunderbird 136. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 137 and Thunderbird 137. | |||||
| CVE-2025-3033 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 7.7 HIGH |
| After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 137 and Thunderbird 137. | |||||
| CVE-2025-3032 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 7.4 HIGH |
| Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability was fixed in Firefox 137 and Thunderbird 137. | |||||
| CVE-2025-3031 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 6.5 MEDIUM |
| An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability was fixed in Firefox 137 and Thunderbird 137. | |||||
| CVE-2025-3030 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 8.1 HIGH |
| Memory safety bugs present in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. | |||||
| CVE-2025-3029 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 7.3 HIGH |
| A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability was fixed in Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. | |||||
| CVE-2025-3028 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 6.5 MEDIUM |
| JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9. | |||||
| CVE-2025-2857 | 1 Mozilla | 1 Firefox | 2026-06-17 | N/A | 10.0 CRITICAL |
| Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in our IPC code. A compromised child process could cause the parent process to return an unintentionally powerful handle, leading to a sandbox escape. The original vulnerability was being exploited in the wild. *This only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 136.0.4, Firefox ESR 128.8.1, and Firefox ESR 115.21.1. | |||||
| CVE-2025-2817 | 1 Mozilla | 2 Firefox, Thunderbird | 2026-06-17 | N/A | 8.8 HIGH |
| Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level updater by manipulating the file-locking behavior. By injecting code into the user-privileged process, an attacker could bypass intended access controls, allowing SYSTEM-level file operations on paths controlled by a non-privileged user and enabling privilege escalation. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10. | |||||
| CVE-2025-27426 | 2 Apple, Mozilla | 2 Iphone Os, Firefox | 2026-06-17 | N/A | 5.4 MEDIUM |
| Malicious websites utilizing a server-side redirect to an internal error page could result in a spoofed website URL. This vulnerability was fixed in Firefox for iOS 136. | |||||
| CVE-2025-27425 | 2 Apple, Mozilla | 2 Iphone Os, Firefox | 2026-06-17 | N/A | 4.3 MEDIUM |
| Scanning certain QR codes that included text with a website URL could allow the URL to be opened without presenting the user with a confirmation alert first. This vulnerability was fixed in Firefox for iOS 136. | |||||